Proper exercise is good for your health._____, too much is bad for it.
| A．Therefore | B．But | C．However | D．while |
China Business Daily reported the 60% discounts on some Beijing-shanghai flights have now slipped back to 20% _______ one day in advance.
| A．when books | B．when to book | C．when booking | D．when booked |
With so many people ______ around her, the girl felt very nervous and grasped her mother’s hand tightly.
| A．standing | B．having stood | C．stood | D．stand |
It’s reported that Nest Chat allowsusers to block others when they want to avoid _______.
| A．to be disturbed | B．to disturb | C．being disturbed | D．disturbing |
To tell the truth, I would rather that I ____ the pain instead of you. You don’t know how worried I was.
| A．took | B．had taken | C．have taken | D．should have taken |
By the time you get to Beijing tomorrow, I ______ for Shanghai.
| A．am leaving | B．should have left | C．will leave | D．will have left |